Question

Which disease causes mucus to build up in the lungs and clog the airways??

Answer 1

Cystic fibrosis - causes a mucus build up on the lungs, that coats the breathing tubes 

Answer 2

Cystic Fibrosis causes the mucus that coats the breathing tubes to become very thick and sticky that the cilia are unable to sweep the germ particles up and out of the lungs